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I am going to parallel 3 T/Fs( two 31.5MVA and one 30 MVA) which have different step voltages. Two identical TFs have 1.25% (21taps)step voltages and other has 1.5%(16 taps). i am going to use TAPCON 230 pro AVR model.
i am going to implement "master-follower' method. i set one of 30MVA TF) as the "master". what will happen if it trip off. Will there be "parallel failure' come ?.
How can i see the circulating reactive current?
I appriciate ur help.
janaka from sri lanka